John Deere 620G / GP 4WD Motor Grader

Dimensions

Overall Length 350 in (8890 mm)
Wheelbase 20.21 ft in (6160 mm)
Blade Base 8.44 ft in (2570 mm)
Frame Circle Diameter 5 ft in (1524 mm)
Height Over ROPS 10.44 ft in (3180 mm)
Height Over ROPS (Option) 11.16 ft in (3400 mm)
Moldboard – Lift Above Ground 19.3 in (490 mm)
Moldboard Height 2.01 ft in (610 mm)
Moldboard Sideshift – Left 2.25 ft in (683 mm)
Moldboard Sideshift – Right 2.25 ft in (683 mm)
Shoulder Reach – Left 6.84 ft in (2083 mm)
Shoulder Reach – Right 6.84 ft in (2083 mm)
Moldboard Width 12.01 ft in (3660 mm)
Moldboard Thickness 0.08 ft in (22 mm)
Bank Angle 90°
Circle Rotation 360°
Frame Articulation 22°
Hydraulic Blade Tip – Forward 42
Hydraulic Blade Tip – Rearward 5

Engine Details

Number of Cylinders 6
Engine Make John Deere
Engine Model John Deere PowerTech PSS 6.8L
Displacement 414 cu in (6.8 L)
Net Engine 215 hp (160 kw)
Power Measured @ 2000 rpm
Peak Torque 741 lb ft (1005 Nm)
Torque Measured @ 1400 rpm
Torque Rise 49%
Aspiration Turbocharged and air-to-air
Emission Standards EPA Final Tier 4/EU Stage V

Transmission

Type Direct-drive John Deere PowerShift Plus, modulated shift-on-the-go with EBS
Number of Forward Gears 8
Number of Reverse Gears 8
Max Travel Speed 28.3 mph (45.5 km/h)
Steering All-hydraulic power-frame articulation for maneuverability and productivity; crab steering reduces side drift
Service Brakes Multiple Wet Discs
Service Brake Actuation Foot-controlled, hydraulically operated; both independent systems effective on all 4 tandem wheels
Parking Brake Automatically spring applied, hydraulically released, oil cooled, self-adjusting (ISO 3450)
Tire Size 14.0-R24

Operation Specifications

Operating Weight 34767 lb (15770 kg)
Max Operating Weight 50000 lb (22680 kg)
Rear Counterweight With Integral Rear Hitch 1603 lb (727 kg)
Operating Voltage 24 V
Alternator 130 amps
Battery 2x 12 V, 224 Ah, CCA 1400
Turning Radius (Minimum) 284 in (7210 mm)

Hydraulic System

Type Closed-center, pressure-compensated load-sensing (PCLS)
Pump Type Variable-displacement piston pump
Pump Flow 56 gal/min (212 L/min)
Max Relief Pressure 2750 psi (18961 kPa)
Pump Displacement 5.5 cu in (90 cm3)
Blade Function All-hydraulic, industry-standard lever placement of blade-function controls; includes float position; 7 discrete saddle positions
Circle Drive Hydraulic motor and worm gear with positive lock

Service Refill Capacities

Fuel Tank Capacity 110 gal (416.5 L)
DEF Tank Capacity 6 gal (22.5 L)
Cooling System Capacity 13.5 gal (51 L)
Engine Oil Capacity (w/ Filter) 8.3 gal (31.5 L)
Transmission Oil Capacity 7.5 gal (28.4 L)
Hydraulic Tank Capacity 16 gal (60.5 L)
Differential Housing Capacity 10 gal (38 L)
Tandem Housings Capacity (each) 19.5 gal (74 L)
Circle Gearbox Capacity 1.5 gal (5.7 L)
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